src/LyXFunc.cpp

   1 /**
   2  * \file LyXFunc.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alfredo Braunstein
   7  * \author Lars Gullik Bjønnes
   8  * \author Jean-Marc Lasgouttes
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  * \author Allan Rae
  13  * \author Dekel Tsur
  14  * \author Martin Vermeer
  15  * \author Jürgen Vigna
  16  *
  17  * Full author contact details are available in file CREDITS.
  18  */
  19
  20 #include <config.h>
  21 #include <vector>
  22
  23 #include "LyXFunc.h"
  24
  25 #include "BranchList.h"
  26 #include "Buffer.h"
  27 #include "buffer_funcs.h"
  28 #include "BufferList.h"
  29 #include "BufferParams.h"
  30 #include "BufferView.h"
  31 #include "bufferview_funcs.h"
  32 #include "Cursor.h"
  33 #include "CutAndPaste.h"
  34 #include "debug.h"
  35 #include "DispatchResult.h"
  36 #include "Encoding.h"
  37 #include "ErrorList.h"
  38 #include "Exporter.h"
  39 #include "Format.h"
  40 #include "FuncRequest.h"
  41 #include "FuncStatus.h"
  42 #include "gettext.h"
  43 #include "Importer.h"
  44 #include "InsetIterator.h"
  45 #include "Intl.h"
  46 #include "KeyMap.h"
  47 #include "Language.h"
  48 #include "Color.h"
  49 #include "Session.h"
  50 #include "LyX.h"
  51 #include "callback.h"
  52 #include "LyXAction.h"
  53 #include "lyxfind.h"
  54 #include "Lexer.h"
  55 #include "LyXRC.h"
  56 #include "Row.h"
  57 #include "Server.h"
  58 #include "TextClassList.h"
  59 #include "LyXVC.h"
  60 #include "Paragraph.h"
  61 #include "ParIterator.h"
  62 #include "ParagraphParameters.h"
  63 #include "Undo.h"
  64
  65 #include "insets/InsetBox.h"
  66 #include "insets/InsetBranch.h"
  67 #include "insets/InsetCommand.h"
  68 #include "insets/InsetERT.h"
  69 #include "insets/InsetExternal.h"
  70 #include "insets/InsetFloat.h"
  71 #include "insets/InsetListings.h"
  72 #include "insets/InsetGraphics.h"
  73 #include "insets/InsetInclude.h"
  74 #include "insets/InsetNote.h"
  75 #include "insets/InsetTabular.h"
  76 #include "insets/InsetVSpace.h"
  77 #include "insets/InsetWrap.h"
  78
  79 #include "frontends/Application.h"
  80 #include "frontends/alert.h"
  81 #include "frontends/Dialogs.h"
  82 #include "frontends/FileDialog.h"
  83 #include "frontends/FontLoader.h"
  84 #include "frontends/Gui.h"
  85 #include "frontends/KeySymbol.h"
  86 #include "frontends/LyXView.h"
  87 #include "frontends/Menubar.h"
  88 #include "frontends/Selection.h"
  89 #include "frontends/Toolbars.h"
  90 #include "frontends/WorkArea.h"
  91
  92 #include "support/environment.h"
  93 #include "support/FileFilterList.h"
  94 #include "support/filetools.h"
  95 #include "support/ForkedcallsController.h"
  96 #include "support/fs_extras.h"
  97 #include "support/lstrings.h"
  98 #include "support/Path.h"
  99 #include "support/Package.h"
 100 #include "support/Systemcall.h"
 101 #include "support/convert.h"
 102 #include "support/os.h"
 103
 104 #include <boost/current_function.hpp>
 105 #include <boost/filesystem/operations.hpp>
 106
 107 #include <sstream>
 108
 109 using std::endl;
 110 using std::make_pair;
 111 using std::pair;
 112 using std::string;
 113 using std::istringstream;
 114 using std::ostringstream;
 115
 116 namespace fs = boost::filesystem;
 117
 118 namespace lyx {
 119
 120 using bv_funcs::freefont2string;
 121
 122 using frontend::LyXView;
 123
 124 using support::absolutePath;
 125 using support::addName;
 126 using support::addPath;
 127 using support::bformat;
 128 using support::changeExtension;
 129 using support::contains;
 130 using support::FileFilterList;
 131 using support::FileName;
 132 using support::fileSearch;
 133 using support::ForkedcallsController;
 134 using support::i18nLibFileSearch;
 135 using support::isDirWriteable;
 136 using support::isFileReadable;
 137 using support::isStrInt;
 138 using support::makeAbsPath;
 139 using support::makeDisplayPath;
 140 using support::package;
 141 using support::quoteName;
 142 using support::rtrim;
 143 using support::split;
 144 using support::subst;
 145 using support::Systemcall;
 146 using support::token;
 147 using support::trim;
 148 using support::prefixIs;
 149
 150 namespace Alert = frontend::Alert;
 151
 152
 153 namespace {
 154
 155 bool getLocalStatus(Cursor cursor,
 156                FuncRequest const & cmd, FuncStatus & status)
 157 {
 158         // Try to fix cursor in case it is broken.
 159         cursor.fixIfBroken();
 160
 161         // This is, of course, a mess. Better create a new doc iterator and use
 162         // this in Inset::getStatus. This might require an additional
 163         // BufferView * arg, though (which should be avoided)
 164         //Cursor safe = *this;
 165         bool res = false;
 166         for ( ; cursor.depth(); cursor.pop()) {
 167                 //lyxerr << "\nCursor::getStatus: cmd: " << cmd << endl << *this << endl;
 168                 BOOST_ASSERT(cursor.idx() <= cursor.lastidx());
 169                 BOOST_ASSERT(cursor.pit() <= cursor.lastpit());
 170                 BOOST_ASSERT(cursor.pos() <= cursor.lastpos());
 171
 172                 // The inset's getStatus() will return 'true' if it made
 173                 // a definitive decision on whether it want to handle the
 174                 // request or not. The result of this decision is put into
 175                 // the 'status' parameter.
 176                 if (cursor.inset().getStatus(cursor, cmd, status)) {
 177                         res = true;
 178                         break;
 179                 }
 180         }
 181         return res;
 182 }
 183
 184
 185 /** Return the change status at cursor position, taking in account the
 186  * status at each level of the document iterator (a table in a deleted
 187  * footnote is deleted).
 188  * When \param outer is true, the top slice is not looked at.
 189  */
 190 Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
 191 {
 192         size_t const depth = dit.depth() - (outer ? 1 : 0);
 193
 194         for (size_t i = 0 ; i < depth ; ++i) {
 195                 CursorSlice const & slice = dit[i];
 196                 if (!slice.inset().inMathed()
 197                     && slice.pos() < slice.paragraph().size()) {
 198                         Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
 199                         if (ch != Change::UNCHANGED)
 200                                 return ch;
 201                 }
 202         }
 203         return Change::UNCHANGED;
 204 }
 205
 206 }
 207
 208 LyXFunc::LyXFunc()
 209         : lyx_view_(0),
 210         encoded_last_key(0),
 211         meta_fake_bit(key_modifier::none)
 212 {
 213 }
 214
 215
 216 void LyXFunc::initKeySequences(KeyMap * kb)
 217 {
 218         keyseq.reset(new KeySequence(kb, kb));
 219         cancel_meta_seq.reset(new KeySequence(kb, kb));
 220 }
 221
 222
 223 void LyXFunc::setLyXView(LyXView * lv)
 224 {
 225         if (!quitting && lyx_view_ && lyx_view_->view() && lyx_view_ != lv)
 226                 // save current selection to the selection buffer to allow
 227                 // middle-button paste in another window
 228                 cap::saveSelection(lyx_view_->view()->cursor());
 229         lyx_view_ = lv;
 230 }
 231
 232
 233 void LyXFunc::handleKeyFunc(kb_action action)
 234 {
 235         char_type c = encoded_last_key;
 236
 237         if (keyseq->length())
 238                 c = 0;
 239
 240         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
 241         lyx_view_->view()->getIntl().getTransManager().deadkey(
 242                 c, get_accent(action).accent, view()->cursor().innerText(), view()->cursor());
 243         // Need to clear, in case the minibuffer calls these
 244         // actions
 245         keyseq->clear();
 246         // copied verbatim from do_accent_char
 247         view()->cursor().resetAnchor();
 248         view()->update();
 249 }
 250
 251
 252 void LyXFunc::gotoBookmark(unsigned int idx, bool openFile, bool switchToBuffer)
 253 {
 254         BOOST_ASSERT(lyx_view_);
 255         if (!LyX::ref().session().bookmarks().isValid(idx))
 256                 return;
 257         BookmarksSection::Bookmark const & bm = LyX::ref().session().bookmarks().bookmark(idx);
 258         BOOST_ASSERT(!bm.filename.empty());
 259         string const file = bm.filename.absFilename();
 260         // if the file is not opened, open it.
 261         if (!theBufferList().exists(file)) {
 262                 if (openFile)
 263                         dispatch(FuncRequest(LFUN_FILE_OPEN, file));
 264                 else
 265                         return;
 266         }
 267         // open may fail, so we need to test it again
 268         if (!theBufferList().exists(file))
 269                 return;
 270
 271         // if the current buffer is not that one, switch to it.
 272         if (lyx_view_->buffer()->fileName() != file) {
 273                 if (!switchToBuffer)
 274                         return;
 275                 dispatch(FuncRequest(LFUN_BUFFER_SWITCH, file));
 276         }
 277         // moveToPosition try paragraph id first and then paragraph (pit, pos).
 278         if (!view()->moveToPosition(bm.bottom_pit, bm.bottom_pos,
 279                 bm.top_id, bm.top_pos))
 280                 return;
 281
 282         // Cursor jump succeeded!
 283         Cursor const & cur = view()->cursor();
 284         pit_type new_pit = cur.pit();
 285         pos_type new_pos = cur.pos();
 286         int new_id = cur.paragraph().id();
 287
 288         // if bottom_pit, bottom_pos or top_id has been changed, update bookmark
 289         // see http://bugzilla.lyx.org/show_bug.cgi?id=3092
 290         if (bm.bottom_pit != new_pit || bm.bottom_pos != new_pos
 291                 || bm.top_id != new_id) {
 292                 const_cast<BookmarksSection::Bookmark &>(bm).updatePos(
 293                         new_pit, new_pos, new_id);
 294         }
 295 }
 296
 297
 298 void LyXFunc::processKeySym(KeySymbolPtr keysym, key_modifier::state state)
 299 {
 300         LYXERR(Debug::KEY) << "KeySym is " << keysym->getSymbolName() << endl;
 301
 302         // Do nothing if we have nothing (JMarc)
 303         if (!keysym->isOK()) {
 304                 LYXERR(Debug::KEY) << "Empty kbd action (probably composing)"
 305                                    << endl;
 306                 return;
 307         }
 308
 309         if (keysym->isModifier()) {
 310                 LYXERR(Debug::KEY) << "isModifier true" << endl;
 311                 return;
 312         }
 313
 314         //Encoding const * encoding = view()->cursor().getEncoding();
 315         //encoded_last_key = keysym->getISOEncoded(encoding ? encoding->name() : "");
 316         // FIXME: encoded_last_key shadows the member variable of the same
 317         // name. Is that intended?
 318         char_type encoded_last_key = keysym->getUCSEncoded();
 319
 320         // Do a one-deep top-level lookup for
 321         // cancel and meta-fake keys. RVDK_PATCH_5
 322         cancel_meta_seq->reset();
 323
 324         FuncRequest func = cancel_meta_seq->addkey(keysym, state);
 325         LYXERR(Debug::KEY) << BOOST_CURRENT_FUNCTION
 326                            << " action first set to [" << func.action << ']'
 327                            << endl;
 328
 329         // When not cancel or meta-fake, do the normal lookup.
 330         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 331         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 332         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_PREFIX)) {
 333                 // remove Caps Lock and Mod2 as a modifiers
 334                 func = keyseq->addkey(keysym, (state | meta_fake_bit));
 335                 LYXERR(Debug::KEY) << BOOST_CURRENT_FUNCTION
 336                                    << "action now set to ["
 337                                    << func.action << ']' << endl;
 338         }
 339
 340         // Dont remove this unless you know what you are doing.
 341         meta_fake_bit = key_modifier::none;
 342
 343         // Can this happen now ?
 344         if (func.action == LFUN_NOACTION) {
 345                 func = FuncRequest(LFUN_COMMAND_PREFIX);
 346         }
 347
 348         LYXERR(Debug::KEY) << BOOST_CURRENT_FUNCTION
 349                << " Key [action="
 350                << func.action << "]["
 351                << to_utf8(keyseq->print(false)) << ']'
 352                << endl;
 353
 354         // already here we know if it any point in going further
 355         // why not return already here if action == -1 and
 356         // num_bytes == 0? (Lgb)
 357
 358         if (keyseq->length() > 1) {
 359                 lyx_view_->message(keyseq->print(true));
 360         }
 361
 362
 363         // Maybe user can only reach the key via holding down shift.
 364         // Let's see. But only if shift is the only modifier
 365         if (func.action == LFUN_UNKNOWN_ACTION &&
 366             state == key_modifier::shift) {
 367                 LYXERR(Debug::KEY) << "Trying without shift" << endl;
 368                 func = keyseq->addkey(keysym, key_modifier::none);
 369                 LYXERR(Debug::KEY) << "Action now " << func.action << endl;
 370         }
 371
 372         if (func.action == LFUN_UNKNOWN_ACTION) {
 373                 // Hmm, we didn't match any of the keysequences. See
 374                 // if it's normal insertable text not already covered
 375                 // by a binding
 376                 if (keysym->isText() && keyseq->length() == 1) {
 377                         LYXERR(Debug::KEY) << "isText() is true, inserting." << endl;
 378                         func = FuncRequest(LFUN_SELF_INSERT,
 379                                            FuncRequest::KEYBOARD);
 380                 } else {
 381                         LYXERR(Debug::KEY) << "Unknown, !isText() - giving up" << endl;
 382                         lyx_view_->message(_("Unknown function."));
 383                         return;
 384                 }
 385         }
 386
 387         if (func.action == LFUN_SELF_INSERT) {
 388                 if (encoded_last_key != 0) {
 389                         docstring const arg(1, encoded_last_key);
 390                         dispatch(FuncRequest(LFUN_SELF_INSERT, arg,
 391                                              FuncRequest::KEYBOARD));
 392                         LYXERR(Debug::KEY)
 393                                 << "SelfInsert arg[`" << to_utf8(arg) << "']" << endl;
 394                 }
 395         } else {
 396                 dispatch(func);
 397         }
 398
 399         /* When we move around, or type, it's nice to be able to see
 400          * the cursor immediately after the keypress.
 401          */
 402         if (lyx_view_ && lyx_view_->currentWorkArea())
 403                 lyx_view_->currentWorkArea()->startBlinkingCursor();
 404 }
 405
 406
 407 FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 408 {
 409         //lyxerr << "LyXFunc::getStatus: cmd: " << cmd << endl;
 410         FuncStatus flag;
 411
 412         Cursor & cur = view()->cursor();
 413
 414         /* In LyX/Mac, when a dialog is open, the menus of the
 415            application can still be accessed without giving focus to
 416            the main window. In this case, we want to disable the menu
 417            entries that are buffer-related.
 418
 419            Note that this code is not perfect, as bug 1941 attests:
 420            http://bugzilla.lyx.org/show_bug.cgi?id=1941#c4
 421         */
 422         Buffer * buf = lyx_view_? lyx_view_->buffer() : 0;
 423         if (lyx_view_ && cmd.origin == FuncRequest::MENU && !lyx_view_->hasFocus())
 424                 buf = 0;
 425
 426         if (cmd.action == LFUN_NOACTION) {
 427                 flag.message(from_utf8(N_("Nothing to do")));
 428                 flag.enabled(false);
 429                 return flag;
 430         }
 431
 432         switch (cmd.action) {
 433         case LFUN_UNKNOWN_ACTION:
 434 #ifndef HAVE_LIBAIKSAURUS
 435         case LFUN_THESAURUS_ENTRY:
 436 #endif
 437                 flag.unknown(true);
 438                 flag.enabled(false);
 439                 break;
 440
 441         default:
 442                 break;
 443         }
 444
 445         if (flag.unknown()) {
 446                 flag.message(from_utf8(N_("Unknown action")));
 447                 return flag;
 448         }
 449
 450         if (!flag.enabled()) {
 451                 if (flag.message().empty())
 452                         flag.message(from_utf8(N_("Command disabled")));
 453                 return flag;
 454         }
 455
 456         // Check whether we need a buffer
 457         if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer) && !buf) {
 458                 // no, exit directly
 459                 flag.message(from_utf8(N_("Command not allowed with"
 460                                     "out any document open")));
 461                 flag.enabled(false);
 462                 return flag;
 463         }
 464
 465         // I would really like to avoid having this switch and rather try to
 466         // encode this in the function itself.
 467         // -- And I'd rather let an inset decide which LFUNs it is willing
 468         // to handle (Andre')
 469         bool enable = true;
 470         switch (cmd.action) {
 471         case LFUN_BUFFER_TOGGLE_READ_ONLY:
 472                 flag.setOnOff(buf->isReadonly());
 473                 break;
 474
 475         case LFUN_BUFFER_SWITCH:
 476                 // toggle on the current buffer, but do not toggle off
 477                 // the other ones (is that a good idea?)
 478                 if (buf && to_utf8(cmd.argument()) == buf->fileName())
 479                         flag.setOnOff(true);
 480                 break;
 481
 482         case LFUN_BUFFER_EXPORT:
 483                 enable = cmd.argument() == "custom"
 484                         || Exporter::isExportable(*buf, to_utf8(cmd.argument()));
 485                 break;
 486
 487         case LFUN_BUFFER_CHKTEX:
 488                 enable = buf->isLatex() && !lyxrc.chktex_command.empty();
 489                 break;
 490
 491         case LFUN_BUILD_PROGRAM:
 492                 enable = Exporter::isExportable(*buf, "program");
 493                 break;
 494
 495         case LFUN_LAYOUT_TABULAR:
 496                 enable = cur.innerInsetOfType(Inset::TABULAR_CODE);
 497                 break;
 498
 499         case LFUN_LAYOUT:
 500         case LFUN_LAYOUT_PARAGRAPH:
 501                 enable = !cur.inset().forceDefaultParagraphs(cur.idx());
 502                 break;
 503
 504         case LFUN_VC_REGISTER:
 505                 enable = !buf->lyxvc().inUse();
 506                 break;
 507         case LFUN_VC_CHECK_IN:
 508                 enable = buf->lyxvc().inUse() && !buf->isReadonly();
 509                 break;
 510         case LFUN_VC_CHECK_OUT:
 511                 enable = buf->lyxvc().inUse() && buf->isReadonly();
 512                 break;
 513         case LFUN_VC_REVERT:
 514         case LFUN_VC_UNDO_LAST:
 515                 enable = buf->lyxvc().inUse();
 516                 break;
 517         case LFUN_BUFFER_RELOAD:
 518                 enable = !buf->isUnnamed() && fs::exists(buf->fileName())
 519                         && (!buf->isClean() || buf->isExternallyModified(Buffer::timestamp_method));
 520                 break;
 521
 522         case LFUN_INSET_SETTINGS: {
 523                 enable = false;
 524                 if (!cur)
 525                         break;
 526                 Inset::Code code = cur.inset().lyxCode();
 527                 switch (code) {
 528                         case Inset::TABULAR_CODE:
 529                                 enable = cmd.argument() == "tabular";
 530                                 break;
 531                         case Inset::ERT_CODE:
 532                                 enable = cmd.argument() == "ert";
 533                                 break;
 534                         case Inset::FLOAT_CODE:
 535                                 enable = cmd.argument() == "float";
 536                                 break;
 537                         case Inset::WRAP_CODE:
 538                                 enable = cmd.argument() == "wrap";
 539                                 break;
 540                         case Inset::NOTE_CODE:
 541                                 enable = cmd.argument() == "note";
 542                                 break;
 543                         case Inset::BRANCH_CODE:
 544                                 enable = cmd.argument() == "branch";
 545                                 break;
 546                         case Inset::BOX_CODE:
 547                                 enable = cmd.argument() == "box";
 548                                 break;
 549                         case Inset::LISTINGS_CODE:
 550                                 enable = cmd.argument() == "listings";
 551                                 break;
 552                         default:
 553                                 break;
 554                 }
 555                 break;
 556         }
 557
 558         case LFUN_INSET_APPLY: {
 559                 string const name = cmd.getArg(0);
 560                 Inset * inset = lyx_view_->getDialogs().getOpenInset(name);
 561                 if (inset) {
 562                         FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
 563                         FuncStatus fs;
 564                         if (!inset->getStatus(cur, fr, fs)) {
 565                                 // Every inset is supposed to handle this
 566                                 BOOST_ASSERT(false);
 567                         }
 568                         flag |= fs;
 569                 } else {
 570                         FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
 571                         flag |= getStatus(fr);
 572                 }
 573                 enable = flag.enabled();
 574                 break;
 575         }
 576
 577         case LFUN_DIALOG_TOGGLE:
 578                 flag.setOnOff(lyx_view_->getDialogs().visible(cmd.getArg(0)));
 579                 // fall through to set "enable"
 580         case LFUN_DIALOG_SHOW: {
 581                 string const name = cmd.getArg(0);
 582                 if (!buf)
 583                         enable = name == "aboutlyx"
 584                                 || name == "file" //FIXME: should be removed.
 585                                 || name == "prefs"
 586                                 || name == "texinfo";
 587                 else if (name == "print")
 588                         enable = Exporter::isExportable(*buf, "dvi")
 589                                 && lyxrc.print_command != "none";
 590                 else if (name == "character")
 591                         enable = cur.inset().lyxCode() != Inset::ERT_CODE &&
 592                                 cur.inset().lyxCode() != Inset::LISTINGS_CODE;
 593                 else if (name == "latexlog")
 594                         enable = isFileReadable(FileName(buf->getLogName().second));
 595                 else if (name == "spellchecker")
 596 #if defined (USE_ASPELL) || defined (USE_ISPELL) || defined (USE_PSPELL)
 597                         enable = !buf->isReadonly();
 598 #else
 599                         enable = false;
 600 #endif
 601                 else if (name == "vclog")
 602                         enable = buf->lyxvc().inUse();
 603                 break;
 604         }
 605
 606         case LFUN_DIALOG_SHOW_NEW_INSET:
 607                 enable = cur.inset().lyxCode() != Inset::ERT_CODE &&
 608                         cur.inset().lyxCode() != Inset::LISTINGS_CODE;
 609                 if (cur.inset().lyxCode() == Inset::CAPTION_CODE) {
 610                         FuncStatus flag;
 611                         if (cur.inset().getStatus(cur, cmd, flag))
 612                                 return flag;
 613                 }
 614                 break;
 615
 616         case LFUN_DIALOG_UPDATE: {
 617                 string const name = cmd.getArg(0);
 618                 if (!buf)
 619                         enable = name == "prefs";
 620                 break;
 621         }
 622
 623         case LFUN_CITATION_INSERT: {
 624                 FuncRequest fr(LFUN_INSET_INSERT, "citation");
 625                 enable = getStatus(fr).enabled();
 626                 break;
 627         }
 628
 629         case LFUN_BUFFER_WRITE: {
 630                 enable = lyx_view_->buffer()->isUnnamed()
 631                         || !lyx_view_->buffer()->isClean();
 632                 break;
 633         }
 634
 635
 636         case LFUN_BUFFER_WRITE_ALL: {
 637         // We enable the command only if there are some modified buffers
 638                 Buffer * first = theBufferList().first();
 639                 bool modified = false;
 640                 if (first) {
 641                         Buffer * b = first;
 642
 643                 // We cannot use a for loop as the buffer list is a cycle.
 644                         do {
 645                                 if (!b->isClean()) {
 646                                         modified = true;
 647                                         break;
 648                                 }
 649                                 b = theBufferList().next(b);
 650                         } while (b != first);
 651                 }
 652
 653                 enable = modified;
 654
 655                 break;
 656         }
 657
 658         case LFUN_BOOKMARK_GOTO: {
 659                 const unsigned int num = convert<unsigned int>(to_utf8(cmd.argument()));
 660                 enable = LyX::ref().session().bookmarks().isValid(num);
 661                 break;
 662         }
 663
 664         case LFUN_BOOKMARK_CLEAR:
 665                 enable = LyX::ref().session().bookmarks().size() > 0;
 666                 break;
 667
 668         case LFUN_TOOLBAR_TOGGLE: {
 669                 bool const current = lyx_view_->isToolbarVisible(cmd.getArg(0));
 670                 flag.setOnOff(current);
 671                 break;
 672         }
 673         case LFUN_WINDOW_CLOSE: {
 674                 enable = (theApp()->gui().viewIds().size() > 1);
 675                 break;
 676         }
 677
 678         // this one is difficult to get right. As a half-baked
 679         // solution, we consider only the first action of the sequence
 680         case LFUN_COMMAND_SEQUENCE: {
 681                 // argument contains ';'-terminated commands
 682                 string const firstcmd = token(to_utf8(cmd.argument()), ';', 0);
 683                 FuncRequest func(lyxaction.lookupFunc(firstcmd));
 684                 func.origin = cmd.origin;
 685                 flag = getStatus(func);
 686         }
 687
 688         case LFUN_BUFFER_NEW:
 689         case LFUN_BUFFER_NEW_TEMPLATE:
 690         case LFUN_WORD_FIND_FORWARD:
 691         case LFUN_WORD_FIND_BACKWARD:
 692         case LFUN_COMMAND_PREFIX:
 693         case LFUN_COMMAND_EXECUTE:
 694         case LFUN_CANCEL:
 695         case LFUN_META_PREFIX:
 696         case LFUN_BUFFER_CLOSE:
 697         case LFUN_BUFFER_WRITE_AS:
 698         case LFUN_BUFFER_UPDATE:
 699         case LFUN_BUFFER_VIEW:
 700         case LFUN_BUFFER_IMPORT:
 701         case LFUN_BUFFER_AUTO_SAVE:
 702         case LFUN_RECONFIGURE:
 703         case LFUN_HELP_OPEN:
 704         case LFUN_FILE_NEW:
 705         case LFUN_FILE_OPEN:
 706         case LFUN_DROP_LAYOUTS_CHOICE:
 707         case LFUN_MENU_OPEN:
 708         case LFUN_SERVER_GET_NAME:
 709         case LFUN_SERVER_NOTIFY:
 710         case LFUN_SERVER_GOTO_FILE_ROW:
 711         case LFUN_DIALOG_HIDE:
 712         case LFUN_DIALOG_DISCONNECT_INSET:
 713         case LFUN_BUFFER_CHILD_OPEN:
 714         case LFUN_TOGGLE_CURSOR_FOLLOWS_SCROLLBAR:
 715         case LFUN_KEYMAP_OFF:
 716         case LFUN_KEYMAP_PRIMARY:
 717         case LFUN_KEYMAP_SECONDARY:
 718         case LFUN_KEYMAP_TOGGLE:
 719         case LFUN_REPEAT:
 720         case LFUN_BUFFER_EXPORT_CUSTOM:
 721         case LFUN_BUFFER_PRINT:
 722         case LFUN_PREFERENCES_SAVE:
 723         case LFUN_SCREEN_FONT_UPDATE:
 724         case LFUN_SET_COLOR:
 725         case LFUN_MESSAGE:
 726         case LFUN_EXTERNAL_EDIT:
 727         case LFUN_GRAPHICS_EDIT:
 728         case LFUN_ALL_INSETS_TOGGLE:
 729         case LFUN_BUFFER_LANGUAGE:
 730         case LFUN_TEXTCLASS_APPLY:
 731         case LFUN_TEXTCLASS_LOAD:
 732         case LFUN_BUFFER_SAVE_AS_DEFAULT:
 733         case LFUN_BUFFER_PARAMS_APPLY:
 734         case LFUN_LYXRC_APPLY:
 735         case LFUN_BUFFER_NEXT:
 736         case LFUN_BUFFER_PREVIOUS:
 737         case LFUN_WINDOW_NEW:
 738         case LFUN_LYX_QUIT:
 739                 // these are handled in our dispatch()
 740                 break;
 741
 742         default:
 743                 if (!getLocalStatus(cur, cmd, flag))
 744                         flag = view()->getStatus(cmd);
 745         }
 746
 747         if (!enable)
 748                 flag.enabled(false);
 749
 750         // Can we use a readonly buffer?
 751         if (buf && buf->isReadonly()
 752             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 753             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 754                 flag.message(from_utf8(N_("Document is read-only")));
 755                 flag.enabled(false);
 756         }
 757
 758         // Are we in a DELETED change-tracking region?
 759         if (buf && lookupChangeType(cur, true) == Change::DELETED
 760             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 761             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 762                 flag.message(from_utf8(N_("This portion of the document is deleted.")));
 763                 flag.enabled(false);
 764         }
 765
 766         // the default error message if we disable the command
 767         if (!flag.enabled() && flag.message().empty())
 768                 flag.message(from_utf8(N_("Command disabled")));
 769
 770         return flag;
 771 }
 772
 773
 774 bool LyXFunc::ensureBufferClean(BufferView * bv)
 775 {
 776         Buffer & buf = bv->buffer();
 777         if (buf.isClean())
 778                 return true;
 779
 780         docstring const file = makeDisplayPath(buf.fileName(), 30);
 781         docstring text = bformat(_("The document %1$s has unsaved "
 782                                              "changes.\n\nDo you want to save "
 783                                              "the document?"), file);
 784         int const ret = Alert::prompt(_("Save changed document?"),
 785                                       text, 0, 1, _("&Save"),
 786                                       _("&Cancel"));
 787
 788         if (ret == 0)
 789                 dispatch(FuncRequest(LFUN_BUFFER_WRITE));
 790
 791         return buf.isClean();
 792 }
 793
 794
 795 namespace {
 796
 797 void showPrintError(string const & name)
 798 {
 799         docstring str = bformat(_("Could not print the document %1$s.\n"
 800                                             "Check that your printer is set up correctly."),
 801                              makeDisplayPath(name, 50));
 802         Alert::error(_("Print document failed"), str);
 803 }
 804
 805
 806 void loadTextclass(string const & name)
 807 {
 808         std::pair<bool, textclass_type> const tc_pair =
 809                 textclasslist.numberOfClass(name);
 810
 811         if (!tc_pair.first) {
 812                 lyxerr << "Document class \"" << name
 813                        << "\" does not exist."
 814                        << std::endl;
 815                 return;
 816         }
 817
 818         textclass_type const tc = tc_pair.second;
 819
 820         if (!textclasslist[tc].load()) {
 821                 docstring s = bformat(_("The document could not be converted\n"
 822                                                   "into the document class %1$s."),
 823                                    from_utf8(textclasslist[tc].name()));
 824                 Alert::error(_("Could not change class"), s);
 825         }
 826 }
 827
 828
 829 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new);
 830
 831 } //namespace anon
 832
 833
 834 void LyXFunc::dispatch(FuncRequest const & cmd)
 835 {
 836         string const argument = to_utf8(cmd.argument());
 837         kb_action const action = cmd.action;
 838
 839         LYXERR(Debug::ACTION) << endl << "LyXFunc::dispatch: cmd: " << cmd << endl;
 840         //lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
 841
 842         // we have not done anything wrong yet.
 843         errorstat = false;
 844         dispatch_buffer.erase();
 845
 846         // redraw the screen at the end (first of the two drawing steps).
 847         //This is done unless explicitely requested otherwise
 848         Update::flags updateFlags = Update::FitCursor;
 849
 850         FuncStatus const flag = getStatus(cmd);
 851         if (!flag.enabled()) {
 852                 // We cannot use this function here
 853                 LYXERR(Debug::ACTION) << "LyXFunc::dispatch: "
 854                        << lyxaction.getActionName(action)
 855                        << " [" << action << "] is disabled at this location"
 856                        << endl;
 857                 setErrorMessage(flag.message());
 858         } else {
 859                 switch (action) {
 860
 861                 case LFUN_WORD_FIND_FORWARD:
 862                 case LFUN_WORD_FIND_BACKWARD: {
 863                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
 864                         static docstring last_search;
 865                         docstring searched_string;
 866
 867                         if (!cmd.argument().empty()) {
 868                                 last_search = cmd.argument();
 869                                 searched_string = cmd.argument();
 870                         } else {
 871                                 searched_string = last_search;
 872                         }
 873
 874                         if (searched_string.empty())
 875                                 break;
 876
 877                         bool const fw = action == LFUN_WORD_FIND_FORWARD;
 878                         docstring const data =
 879                                 find2string(searched_string, true, false, fw);
 880                         find(view(), FuncRequest(LFUN_WORD_FIND, data));
 881                         break;
 882                 }
 883
 884                 case LFUN_COMMAND_PREFIX:
 885                         BOOST_ASSERT(lyx_view_);
 886                         lyx_view_->message(keyseq->printOptions(true));
 887                         break;
 888
 889                 case LFUN_COMMAND_EXECUTE:
 890                         BOOST_ASSERT(lyx_view_);
 891                         lyx_view_->showMiniBuffer(true);
 892                         break;
 893
 894                 case LFUN_CANCEL:
 895                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
 896                         keyseq->reset();
 897                         meta_fake_bit = key_modifier::none;
 898                         if (lyx_view_->buffer())
 899                                 // cancel any selection
 900                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 901                         setMessage(from_ascii(N_("Cancel")));
 902                         break;
 903
 904                 case LFUN_META_PREFIX:
 905                         meta_fake_bit = key_modifier::alt;
 906                         setMessage(keyseq->print(true));
 907                         break;
 908
 909                 case LFUN_BUFFER_TOGGLE_READ_ONLY:
 910                         BOOST_ASSERT(lyx_view_ && lyx_view_->view() && lyx_view_->buffer());
 911                         if (lyx_view_->buffer()->lyxvc().inUse())
 912                                 lyx_view_->buffer()->lyxvc().toggleReadOnly();
 913                         else
 914                                 lyx_view_->buffer()->setReadonly(
 915                                         !lyx_view_->buffer()->isReadonly());
 916                         break;
 917
 918                 // --- Menus -----------------------------------------------
 919                 case LFUN_BUFFER_NEW:
 920                         menuNew(argument, false);
 921                         updateFlags = Update::None;
 922                         break;
 923
 924                 case LFUN_BUFFER_NEW_TEMPLATE:
 925                         menuNew(argument, true);
 926                         updateFlags = Update::None;
 927                         break;
 928
 929                 case LFUN_BUFFER_CLOSE:
 930                         closeBuffer();
 931                         updateFlags = Update::None;
 932                         break;
 933
 934                 case LFUN_BUFFER_WRITE:
 935                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 936                         if (!lyx_view_->buffer()->isUnnamed()) {
 937                                 docstring const str = bformat(_("Saving document %1$s..."),
 938                                          makeDisplayPath(lyx_view_->buffer()->fileName()));
 939                                 lyx_view_->message(str);
 940                                 menuWrite(lyx_view_->buffer());
 941                                 lyx_view_->message(str + _(" done."));
 942                         } else {
 943                                 writeAs(lyx_view_->buffer());
 944                         }
 945                         updateFlags = Update::None;
 946                         break;
 947
 948                 case LFUN_BUFFER_WRITE_AS:
 949                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 950                         writeAs(lyx_view_->buffer(), argument);
 951                         updateFlags = Update::None;
 952                         break;
 953
 954                 case LFUN_BUFFER_WRITE_ALL: {
 955                         Buffer * first = theBufferList().first();
 956                         if (first) {
 957                                 Buffer * b = first;
 958                                 lyx_view_->message(_("Saving all documents..."));
 959
 960                                 // We cannot use a for loop as the buffer list cycles.
 961                                 do {
 962                                         if (!b->isClean()) {
 963                                                 if (!b->isUnnamed()) {
 964                                                         menuWrite(b);
 965                                                         lyxerr[Debug::ACTION] << "Saved " << b->fileName() << endl;
 966                                                 } else
 967                                                         writeAs(b);
 968                                         }
 969                                         b = theBufferList().next(b);
 970                                 } while (b != first);
 971                                 lyx_view_->message(_("All documents saved."));
 972                         }
 973
 974                         updateFlags = Update::None;
 975                         break;
 976                 }
 977
 978                 case LFUN_BUFFER_RELOAD: {
 979                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 980                         docstring const file = makeDisplayPath(lyx_view_->buffer()->fileName(), 20);
 981                         docstring text = bformat(_("Any changes will be lost. Are you sure "
 982                                                              "you want to revert to the saved version of the document %1$s?"), file);
 983                         int const ret = Alert::prompt(_("Revert to saved document?"),
 984                                 text, 1, 1, _("&Revert"), _("&Cancel"));
 985
 986                         if (ret == 0)
 987                                 reloadBuffer();
 988                         break;
 989                 }
 990
 991                 case LFUN_BUFFER_UPDATE:
 992                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 993                         Exporter::Export(lyx_view_->buffer(), argument, true);
 994                         break;
 995
 996                 case LFUN_BUFFER_VIEW:
 997                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 998                         Exporter::preview(lyx_view_->buffer(), argument);
 999                         break;
1000
1001                 case LFUN_BUILD_PROGRAM:
1002                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1003                         Exporter::Export(lyx_view_->buffer(), "program", true);
1004                         break;
1005
1006                 case LFUN_BUFFER_CHKTEX:
1007                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1008                         lyx_view_->buffer()->runChktex();
1009                         break;
1010
1011                 case LFUN_BUFFER_EXPORT:
1012                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1013                         if (argument == "custom")
1014                                 lyx_view_->getDialogs().show("sendto");
1015                         else {
1016                                 Exporter::Export(lyx_view_->buffer(), argument, false);
1017                         }
1018                         break;
1019
1020                 case LFUN_BUFFER_EXPORT_CUSTOM: {
1021                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1022                         string format_name;
1023                         string command = split(argument, format_name, ' ');
1024                         Format const * format = formats.getFormat(format_name);
1025                         if (!format) {
1026                                 lyxerr << "Format \"" << format_name
1027                                        << "\" not recognized!"
1028                                        << std::endl;
1029                                 break;
1030                         }
1031
1032                         Buffer * buffer = lyx_view_->buffer();
1033
1034                         // The name of the file created by the conversion process
1035                         string filename;
1036
1037                         // Output to filename
1038                         if (format->name() == "lyx") {
1039                                 string const latexname =
1040                                         buffer->getLatexName(false);
1041                                 filename = changeExtension(latexname,
1042                                                            format->extension());
1043                                 filename = addName(buffer->temppath(), filename);
1044
1045                                 if (!buffer->writeFile(FileName(filename)))
1046                                         break;
1047
1048                         } else {
1049                                 Exporter::Export(buffer, format_name, true, filename);
1050                         }
1051
1052                         // Substitute $$FName for filename
1053                         if (!contains(command, "$$FName"))
1054                                 command = "( " + command + " ) < $$FName";
1055                         command = subst(command, "$$FName", filename);
1056
1057                         // Execute the command in the background
1058                         Systemcall call;
1059                         call.startscript(Systemcall::DontWait, command);
1060                         break;
1061                 }
1062
1063                 case LFUN_BUFFER_PRINT: {
1064                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1065                         // FIXME: cmd.getArg() might fail if one of the arguments
1066                         // contains double quotes
1067                         string target = cmd.getArg(0);
1068                         string target_name = cmd.getArg(1);
1069                         string command = cmd.getArg(2);
1070
1071                         if (target.empty()
1072                             || target_name.empty()
1073                             || command.empty()) {
1074                                 lyxerr << "Unable to parse \""
1075                                        << argument << '"' << endl;
1076                                 break;
1077                         }
1078                         if (target != "printer" && target != "file") {
1079                                 lyxerr << "Unrecognized target \""
1080                                        << target << '"' << endl;
1081                                 break;
1082                         }
1083
1084                         Buffer * buffer = lyx_view_->buffer();
1085
1086                         if (!Exporter::Export(buffer, "dvi", true)) {
1087                                 showPrintError(buffer->fileName());
1088                                 break;
1089                         }
1090
1091                         // Push directory path.
1092                         string const path(buffer->temppath());
1093                         // Prevent the compiler from optimizing away p
1094                         FileName pp(path);
1095                         support::Path p(pp);
1096
1097                         // there are three cases here:
1098                         // 1. we print to a file
1099                         // 2. we print directly to a printer
1100                         // 3. we print using a spool command (print to file first)
1101                         Systemcall one;
1102                         int res = 0;
1103                         string const dviname =
1104                                 changeExtension(buffer->getLatexName(true),
1105                                                 "dvi");
1106
1107                         if (target == "printer") {
1108                                 if (!lyxrc.print_spool_command.empty()) {
1109                                         // case 3: print using a spool
1110                                         string const psname =
1111                                                 changeExtension(dviname,".ps");
1112                                         command += ' ' + lyxrc.print_to_file
1113                                                 + quoteName(psname)
1114                                                 + ' '
1115                                                 + quoteName(dviname);
1116
1117                                         string command2 =
1118                                                 lyxrc.print_spool_command + ' ';
1119                                         if (target_name != "default") {
1120                                                 command2 += lyxrc.print_spool_printerprefix
1121                                                         + target_name
1122                                                         + ' ';
1123                                         }
1124                                         command2 += quoteName(psname);
1125                                         // First run dvips.
1126                                         // If successful, then spool command
1127                                         res = one.startscript(
1128                                                 Systemcall::Wait,
1129                                                 command);
1130
1131                                         if (res == 0)
1132                                                 res = one.startscript(
1133                                                         Systemcall::DontWait,
1134                                                         command2);
1135                                 } else {
1136                                         // case 2: print directly to a printer
1137                                         if (target_name != "default")
1138                                                 command += ' ' + lyxrc.print_to_printer + target_name + ' ';
1139                                         res = one.startscript(
1140                                                 Systemcall::DontWait,
1141                                                 command + quoteName(dviname));
1142                                 }
1143
1144                         } else {
1145                                 // case 1: print to a file
1146                                 FileName const filename(makeAbsPath(target_name,
1147                                                         lyx_view_->buffer()->filePath()));
1148                                 FileName const dvifile(makeAbsPath(dviname, path));
1149                                 if (fs::exists(filename.toFilesystemEncoding())) {
1150                                         docstring text = bformat(
1151                                                 _("The file %1$s already exists.\n\n"
1152                                                   "Do you want to overwrite that file?"),
1153                                                 makeDisplayPath(filename.absFilename()));
1154                                         if (Alert::prompt(_("Overwrite file?"),
1155                                             text, 0, 1, _("&Overwrite"), _("&Cancel")) != 0)
1156                                                 break;
1157                                 }
1158                                 command += ' ' + lyxrc.print_to_file
1159                                         + quoteName(filename.toFilesystemEncoding())
1160                                         + ' '
1161                                         + quoteName(dvifile.toFilesystemEncoding());
1162                                 res = one.startscript(Systemcall::DontWait,
1163                                                       command);
1164                         }
1165
1166                         if (res != 0)
1167                                 showPrintError(buffer->fileName());
1168                         break;
1169                 }
1170
1171                 case LFUN_BUFFER_IMPORT:
1172                         doImport(argument);
1173                         break;
1174
1175                 case LFUN_LYX_QUIT:
1176                         // quitting is triggered by the gui code
1177                         // (leaving the event loop).
1178                         lyx_view_->message(from_utf8(N_("Exiting.")));
1179                         if (theBufferList().quitWriteAll())
1180                                 theApp()->gui().closeAllViews();
1181                         break;
1182
1183                 case LFUN_BUFFER_AUTO_SAVE:
1184                         autoSave(view());
1185                         break;
1186
1187                 case LFUN_RECONFIGURE:
1188                         BOOST_ASSERT(lyx_view_);
1189                         reconfigure(*lyx_view_);
1190                         break;
1191
1192                 case LFUN_HELP_OPEN: {
1193                         BOOST_ASSERT(lyx_view_);
1194                         string const arg = argument;
1195                         if (arg.empty()) {
1196                                 setErrorMessage(from_ascii(N_("Missing argument")));
1197                                 break;
1198                         }
1199                         FileName const fname = i18nLibFileSearch("doc", arg, "lyx");
1200                         if (fname.empty()) {
1201                                 lyxerr << "LyX: unable to find documentation file `"
1202                                                          << arg << "'. Bad installation?" << endl;
1203                                 break;
1204                         }
1205                         lyx_view_->message(bformat(_("Opening help file %1$s..."),
1206                                 makeDisplayPath(fname.absFilename())));
1207                         Buffer * buf = lyx_view_->loadLyXFile(fname, false);
1208                         if (buf) {
1209                                 updateLabels(*buf);
1210                                 lyx_view_->setBuffer(buf);
1211                                 lyx_view_->showErrorList("Parse");
1212                         }
1213                         updateFlags = Update::None;
1214                         break;
1215                 }
1216
1217                 // --- version control -------------------------------
1218                 case LFUN_VC_REGISTER:
1219                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1220                         if (!ensureBufferClean(view()))
1221                                 break;
1222                         if (!lyx_view_->buffer()->lyxvc().inUse()) {
1223                                 lyx_view_->buffer()->lyxvc().registrer();
1224                                 reloadBuffer();
1225                         }
1226                         updateFlags = Update::Force;
1227                         break;
1228
1229                 case LFUN_VC_CHECK_IN:
1230                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1231                         if (!ensureBufferClean(view()))
1232                                 break;
1233                         if (lyx_view_->buffer()->lyxvc().inUse()
1234                                         && !lyx_view_->buffer()->isReadonly()) {
1235                                 lyx_view_->buffer()->lyxvc().checkIn();
1236                                 reloadBuffer();
1237                         }
1238                         break;
1239
1240                 case LFUN_VC_CHECK_OUT:
1241                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1242                         if (!ensureBufferClean(view()))
1243                                 break;
1244                         if (lyx_view_->buffer()->lyxvc().inUse()
1245                                         && lyx_view_->buffer()->isReadonly()) {
1246                                 lyx_view_->buffer()->lyxvc().checkOut();
1247                                 reloadBuffer();
1248                         }
1249                         break;
1250
1251                 case LFUN_VC_REVERT:
1252                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1253                         lyx_view_->buffer()->lyxvc().revert();
1254                         reloadBuffer();
1255                         break;
1256
1257                 case LFUN_VC_UNDO_LAST:
1258                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1259                         lyx_view_->buffer()->lyxvc().undoLast();
1260                         reloadBuffer();
1261                         break;
1262
1263                 // --- buffers ----------------------------------------
1264                 case LFUN_BUFFER_SWITCH:
1265                         BOOST_ASSERT(lyx_view_);
1266                         lyx_view_->setBuffer(theBufferList().getBuffer(argument));
1267                         updateFlags = Update::None;
1268                         break;
1269
1270                 case LFUN_BUFFER_NEXT:
1271                         BOOST_ASSERT(lyx_view_);
1272                         lyx_view_->setBuffer(theBufferList().next(lyx_view_->buffer()));
1273                         updateFlags = Update::None;
1274                         break;
1275
1276                 case LFUN_BUFFER_PREVIOUS:
1277                         BOOST_ASSERT(lyx_view_);
1278                         lyx_view_->setBuffer(theBufferList().previous(lyx_view_->buffer()));
1279                         updateFlags = Update::None;
1280                         break;
1281
1282                 case LFUN_FILE_NEW:
1283                         BOOST_ASSERT(lyx_view_);
1284                         newFile(*lyx_view_, argument);
1285                         updateFlags = Update::None;
1286                         break;
1287
1288                 case LFUN_FILE_OPEN:
1289                         BOOST_ASSERT(lyx_view_);
1290                         open(argument);
1291                         updateFlags = Update::None;
1292                         break;
1293
1294                 case LFUN_DROP_LAYOUTS_CHOICE:
1295                         BOOST_ASSERT(lyx_view_);
1296                         lyx_view_->openLayoutList();
1297                         break;
1298
1299                 case LFUN_MENU_OPEN:
1300                         BOOST_ASSERT(lyx_view_);
1301                         lyx_view_->openMenu(from_utf8(argument));
1302                         break;
1303
1304                 // --- lyxserver commands ----------------------------
1305                 case LFUN_SERVER_GET_NAME:
1306                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1307                         setMessage(from_utf8(lyx_view_->buffer()->fileName()));
1308                         LYXERR(Debug::INFO) << "FNAME["
1309                                                          << lyx_view_->buffer()->fileName()
1310                                                          << "] " << endl;
1311                         break;
1312
1313                 case LFUN_SERVER_NOTIFY:
1314                         dispatch_buffer = keyseq->print(false);
1315                         theServer().notifyClient(to_utf8(dispatch_buffer));
1316                         break;
1317
1318                 case LFUN_SERVER_GOTO_FILE_ROW: {
1319                         BOOST_ASSERT(lyx_view_);
1320                         string file_name;
1321                         int row;
1322                         istringstream is(argument);
1323                         is >> file_name >> row;
1324                         Buffer * buf = 0;
1325                         bool loaded = false;
1326                         if (prefixIs(file_name, package().temp_dir().absFilename()))
1327                                 // Needed by inverse dvi search. If it is a file
1328                                 // in tmpdir, call the apropriated function
1329                                 buf = theBufferList().getBufferFromTmp(file_name);
1330                         else {
1331                                 // Must replace extension of the file to be .lyx
1332                                 // and get full path
1333                                 FileName const s = fileSearch(string(), changeExtension(file_name, ".lyx"), "lyx");
1334                                 // Either change buffer or load the file
1335                                 if (theBufferList().exists(s.absFilename()))
1336                                         buf = theBufferList().getBuffer(s.absFilename());
1337                                 else {
1338                                         buf = lyx_view_->loadLyXFile(s);
1339                                         loaded = true;
1340                                 }
1341                         }
1342
1343                         if (!buf) {
1344                                 updateFlags = Update::None;
1345                                 break;
1346                         }
1347
1348                         updateLabels(*buf);
1349                         lyx_view_->setBuffer(buf);
1350                         view()->setCursorFromRow(row);
1351                         if (loaded)
1352                                 lyx_view_->showErrorList("Parse");
1353                         updateFlags = Update::FitCursor;
1354                         break;
1355                 }
1356
1357                 case LFUN_DIALOG_SHOW: {
1358                         BOOST_ASSERT(lyx_view_);
1359                         string const name = cmd.getArg(0);
1360                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
1361
1362                         if (name == "character") {
1363                                 data = freefont2string();
1364                                 if (!data.empty())
1365                                         lyx_view_->getDialogs().show("character", data);
1366                         } else if (name == "latexlog") {
1367                                 pair<Buffer::LogType, string> const logfile =
1368                                         lyx_view_->buffer()->getLogName();
1369                                 switch (logfile.first) {
1370                                 case Buffer::latexlog:
1371                                         data = "latex ";
1372                                         break;
1373                                 case Buffer::buildlog:
1374                                         data = "literate ";
1375                                         break;
1376                                 }
1377                                 data += Lexer::quoteString(logfile.second);
1378                                 lyx_view_->getDialogs().show("log", data);
1379                         } else if (name == "vclog") {
1380                                 string const data = "vc " +
1381                                         Lexer::quoteString(lyx_view_->buffer()->lyxvc().getLogFile());
1382                                 lyx_view_->getDialogs().show("log", data);
1383                         } else
1384                                 lyx_view_->getDialogs().show(name, data);
1385                         break;
1386                 }
1387
1388                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1389                         BOOST_ASSERT(lyx_view_);
1390                         string const name = cmd.getArg(0);
1391                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
1392                         if (name == "bibitem" ||
1393                             name == "bibtex" ||
1394                             name == "index" ||
1395                             name == "label" ||
1396                             name == "nomenclature" ||
1397                             name == "ref" ||
1398                             name == "toc" ||
1399                             name == "url") {
1400                                 InsetCommandParams p(name);
1401                                 data = InsetCommandMailer::params2string(name, p);
1402                         } else if (name == "include") {
1403                                 // data is the include type: one of "include",
1404                                 // "input", "verbatiminput" or "verbatiminput*"
1405                                 if (data.empty())
1406                                         // default type is requested
1407                                         data = "include";
1408                                 InsetCommandParams p(data);
1409                                 data = InsetIncludeMailer::params2string(p);
1410                         } else if (name == "box") {
1411                                 // \c data == "Boxed" || "Frameless" etc
1412                                 InsetBoxParams p(data);
1413                                 data = InsetBoxMailer::params2string(p);
1414                         } else if (name == "branch") {
1415                                 InsetBranchParams p;
1416                                 data = InsetBranchMailer::params2string(p);
1417                         } else if (name == "citation") {
1418                                 InsetCommandParams p("cite");
1419                                 data = InsetCommandMailer::params2string(name, p);
1420                         } else if (name == "ert") {
1421                                 data = InsetERTMailer::params2string(InsetCollapsable::Open);
1422                         } else if (name == "external") {
1423                                 InsetExternalParams p;
1424                                 Buffer const & buffer = *lyx_view_->buffer();
1425                                 data = InsetExternalMailer::params2string(p, buffer);
1426                         } else if (name == "float") {
1427                                 InsetFloatParams p;
1428                                 data = InsetFloatMailer::params2string(p);
1429                         } else if (name == "listings") {
1430                                 InsetListingsParams p;
1431                                 data = InsetListingsMailer::params2string(p);
1432                         } else if (name == "graphics") {
1433                                 InsetGraphicsParams p;
1434                                 Buffer const & buffer = *lyx_view_->buffer();
1435                                 data = InsetGraphicsMailer::params2string(p, buffer);
1436                         } else if (name == "note") {
1437                                 InsetNoteParams p;
1438                                 data = InsetNoteMailer::params2string(p);
1439                         } else if (name == "vspace") {
1440                                 VSpace space;
1441                                 data = InsetVSpaceMailer::params2string(space);
1442                         } else if (name == "wrap") {
1443                                 InsetWrapParams p;
1444                                 data = InsetWrapMailer::params2string(p);
1445                         }
1446                         lyx_view_->getDialogs().show(name, data, 0);
1447                         break;
1448                 }
1449
1450                 case LFUN_DIALOG_UPDATE: {
1451                         BOOST_ASSERT(lyx_view_);
1452                         string const & name = argument;
1453                         // Can only update a dialog connected to an existing inset
1454                         Inset * inset = lyx_view_->getDialogs().getOpenInset(name);
1455                         if (inset) {
1456                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument());
1457                                 inset->dispatch(view()->cursor(), fr);
1458                         } else if (name == "paragraph") {
1459                                 dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1460                         } else if (name == "prefs") {
1461                                 lyx_view_->getDialogs().update(name, string());
1462                         }
1463                         break;
1464                 }
1465
1466                 case LFUN_DIALOG_HIDE:
1467                         LyX::cref().hideDialogs(argument, 0);
1468                         break;
1469
1470                 case LFUN_DIALOG_TOGGLE: {
1471                         BOOST_ASSERT(lyx_view_);
1472                         if (lyx_view_->getDialogs().visible(cmd.getArg(0)))
1473                                 dispatch(FuncRequest(LFUN_DIALOG_HIDE, argument));
1474                         else
1475                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, argument));
1476                         break;
1477                 }
1478
1479                 case LFUN_DIALOG_DISCONNECT_INSET:
1480                         BOOST_ASSERT(lyx_view_);
1481                         lyx_view_->getDialogs().disconnect(argument);
1482                         break;
1483
1484
1485                 case LFUN_CITATION_INSERT: {
1486                         BOOST_ASSERT(lyx_view_);
1487                         if (!argument.empty()) {
1488                                 // we can have one optional argument, delimited by '|'
1489                                 // citation-insert <key>|<text_before>
1490                                 // this should be enhanced to also support text_after
1491                                 // and citation style
1492                                 string arg = argument;
1493                                 string opt1;
1494                                 if (contains(argument, "|")) {
1495                                         arg = token(argument, '|', 0);
1496                                         opt1 = token(argument, '|', 1);
1497                                 }
1498                                 InsetCommandParams icp("cite");
1499                                 icp["key"] = from_utf8(arg);
1500                                 if (!opt1.empty())
1501                                         icp["before"] = from_utf8(opt1);
1502                                 string icstr = InsetCommandMailer::params2string("citation", icp);
1503                                 FuncRequest fr(LFUN_INSET_INSERT, icstr);
1504                                 dispatch(fr);
1505                         } else
1506                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
1507                         break;
1508                 }
1509
1510                 case LFUN_BUFFER_CHILD_OPEN: {
1511                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1512                         Buffer * parent = lyx_view_->buffer();
1513                         FileName filename = makeAbsPath(argument, parent->filePath());
1514                         view()->saveBookmark(false);
1515                         Buffer * child = 0;
1516                         bool parsed = false;
1517                         if (theBufferList().exists(filename.absFilename())) {
1518                                 child = theBufferList().getBuffer(filename.absFilename());
1519                         } else {
1520                                 setMessage(bformat(_("Opening child document %1$s..."),
1521                                         makeDisplayPath(filename.absFilename())));
1522                                 child = lyx_view_->loadLyXFile(filename, true);
1523                                 parsed = true;
1524                         }
1525                         if (child) {
1526                                 // Set the parent name of the child document.
1527                                 // This makes insertion of citations and references in the child work,
1528                                 // when the target is in the parent or another child document.
1529                                 child->setParentName(parent->fileName());
1530                                 updateLabels(*child->getMasterBuffer());
1531                                 lyx_view_->setBuffer(child);
1532                                 if (parsed)
1533                                         lyx_view_->showErrorList("Parse");
1534                         }
1535
1536                         // If a screen update is required (in case where auto_open is false),
1537                         // setBuffer() would have taken care of it already. Otherwise we shall
1538                         // reset the update flag because it can cause a circular problem.
1539                         // See bug 3970.
1540                         updateFlags = Update::None;
1541                         break;
1542                 }
1543
1544                 case LFUN_TOGGLE_CURSOR_FOLLOWS_SCROLLBAR:
1545                         BOOST_ASSERT(lyx_view_);
1546                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1547                         break;
1548
1549                 case LFUN_KEYMAP_OFF:
1550                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
1551                         lyx_view_->view()->getIntl().keyMapOn(false);
1552                         break;
1553
1554                 case LFUN_KEYMAP_PRIMARY:
1555                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
1556                         lyx_view_->view()->getIntl().keyMapPrim();
1557                         break;
1558
1559                 case LFUN_KEYMAP_SECONDARY:
1560                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
1561                         lyx_view_->view()->getIntl().keyMapSec();
1562                         break;
1563
1564                 case LFUN_KEYMAP_TOGGLE:
1565                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
1566                         lyx_view_->view()->getIntl().toggleKeyMap();
1567                         break;
1568
1569                 case LFUN_REPEAT: {
1570                         // repeat command
1571                         string countstr;
1572                         string rest = split(argument, countstr, ' ');
1573                         istringstream is(countstr);
1574                         int count = 0;
1575                         is >> count;
1576                         lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1577                         for (int i = 0; i < count; ++i)
1578                                 dispatch(lyxaction.lookupFunc(rest));
1579                         break;
1580                 }
1581
1582                 case LFUN_COMMAND_SEQUENCE: {
1583                         // argument contains ';'-terminated commands
1584                         string arg = argument;
1585                         while (!arg.empty()) {
1586                                 string first;
1587                                 arg = split(arg, first, ';');
1588                                 FuncRequest func(lyxaction.lookupFunc(first));
1589                                 func.origin = cmd.origin;
1590                                 dispatch(func);
1591                         }
1592                         break;
1593                 }
1594
1595                 case LFUN_PREFERENCES_SAVE: {
1596                         lyxrc.write(makeAbsPath("preferences",
1597                                                 package().user_support().absFilename()),
1598                                     false);
1599                         break;
1600                 }
1601
1602                 case LFUN_SCREEN_FONT_UPDATE:
1603                         BOOST_ASSERT(lyx_view_);
1604                         // handle the screen font changes.
1605                         theFontLoader().update();
1606                         /// FIXME: only the current view will be updated. the Gui
1607                         /// class is able to furnish the list of views.
1608                         updateFlags = Update::Force;
1609                         break;
1610
1611                 case LFUN_SET_COLOR: {
1612                         string lyx_name;
1613                         string const x11_name = split(argument, lyx_name, ' ');
1614                         if (lyx_name.empty() || x11_name.empty()) {
1615                                 setErrorMessage(from_ascii(N_(
1616                                                 "Syntax: set-color <lyx_name>"
1617                                                 " <x11_name>")));
1618                                 break;
1619                         }
1620
1621                         bool const graphicsbg_changed =
1622                                 (lyx_name == lcolor.getLyXName(Color::graphicsbg) &&
1623                                  x11_name != lcolor.getX11Name(Color::graphicsbg));
1624
1625                         if (!lcolor.setColor(lyx_name, x11_name)) {
1626                                 setErrorMessage(
1627                                                 bformat(_("Set-color \"%1$s\" failed "
1628                                                                        "- color is undefined or "
1629                                                                        "may not be redefined"),
1630                                                                            from_utf8(lyx_name)));
1631                                 break;
1632                         }
1633
1634                         theApp()->updateColor(lcolor.getFromLyXName(lyx_name));
1635
1636                         if (graphicsbg_changed) {
1637                                 // FIXME: The graphics cache no longer has a changeDisplay method.
1638 #if 0
1639                                 graphics::GCache::get().changeDisplay(true);
1640 #endif
1641                         }
1642                         break;
1643                 }
1644
1645                 case LFUN_MESSAGE:
1646                         BOOST_ASSERT(lyx_view_);
1647                         lyx_view_->message(from_utf8(argument));
1648                         break;
1649
1650                 case LFUN_EXTERNAL_EDIT: {
1651                         BOOST_ASSERT(lyx_view_);
1652                         FuncRequest fr(action, argument);
1653                         InsetExternal().dispatch(view()->cursor(), fr);
1654                         break;
1655                 }
1656
1657                 case LFUN_GRAPHICS_EDIT: {
1658                         FuncRequest fr(action, argument);
1659                         InsetGraphics().dispatch(view()->cursor(), fr);
1660                         break;
1661                 }
1662
1663                 case LFUN_INSET_APPLY: {
1664                         BOOST_ASSERT(lyx_view_);
1665                         string const name = cmd.getArg(0);
1666                         Inset * inset = lyx_view_->getDialogs().getOpenInset(name);
1667                         if (inset) {
1668                                 FuncRequest fr(LFUN_INSET_MODIFY, argument);
1669                                 inset->dispatch(view()->cursor(), fr);
1670                         } else {
1671                                 FuncRequest fr(LFUN_INSET_INSERT, argument);
1672                                 dispatch(fr);
1673                         }
1674                         // ideally, the update flag should be set by the insets,
1675                         // but this is not possible currently
1676                         updateFlags = Update::Force | Update::FitCursor;
1677                         break;
1678                 }
1679
1680                 case LFUN_ALL_INSETS_TOGGLE: {
1681                         BOOST_ASSERT(lyx_view_);
1682                         string action;
1683                         string const name = split(argument, action, ' ');
1684                         Inset::Code const inset_code =
1685                                 Inset::translate(name);
1686
1687                         Cursor & cur = view()->cursor();
1688                         FuncRequest fr(LFUN_INSET_TOGGLE, action);
1689
1690                         Inset & inset = lyx_view_->buffer()->inset();
1691                         InsetIterator it  = inset_iterator_begin(inset);
1692                         InsetIterator const end = inset_iterator_end(inset);
1693                         for (; it != end; ++it) {
1694                                 if (!it->asInsetMath()
1695                                     && (inset_code == Inset::NO_CODE
1696                                     || inset_code == it->lyxCode())) {
1697                                         Cursor tmpcur = cur;
1698                                         tmpcur.pushLeft(*it);
1699                                         it->dispatch(tmpcur, fr);
1700                                 }
1701                         }
1702                         updateFlags = Update::Force | Update::FitCursor;
1703                         break;
1704                 }
1705
1706                 case LFUN_BUFFER_LANGUAGE: {
1707                         BOOST_ASSERT(lyx_view_);
1708                         Buffer & buffer = *lyx_view_->buffer();
1709                         Language const * oldL = buffer.params().language;
1710                         Language const * newL = languages.getLanguage(argument);
1711                         if (!newL || oldL == newL)
1712                                 break;
1713
1714                         if (oldL->rightToLeft() == newL->rightToLeft()
1715                             && !buffer.isMultiLingual())
1716                                 buffer.changeLanguage(oldL, newL);
1717                         break;
1718                 }
1719
1720                 case LFUN_BUFFER_SAVE_AS_DEFAULT: {
1721                         string const fname =
1722                                 addName(addPath(package().user_support().absFilename(), "templates/"),
1723                                         "defaults.lyx");
1724                         Buffer defaults(fname);
1725
1726                         istringstream ss(argument);
1727                         Lexer lex(0,0);
1728                         lex.setStream(ss);
1729                         int const unknown_tokens = defaults.readHeader(lex);
1730
1731                         if (unknown_tokens != 0) {
1732                                 lyxerr << "Warning in LFUN_BUFFER_SAVE_AS_DEFAULT!\n"
1733                                        << unknown_tokens << " unknown token"
1734                                        << (unknown_tokens == 1 ? "" : "s")
1735                                        << endl;
1736                         }
1737
1738                         if (defaults.writeFile(FileName(defaults.fileName())))
1739                                 setMessage(bformat(_("Document defaults saved in %1$s"),
1740                                                    makeDisplayPath(fname)));
1741                         else
1742                                 setErrorMessage(from_ascii(N_("Unable to save document defaults")));
1743                         break;
1744                 }
1745
1746                 case LFUN_BUFFER_PARAMS_APPLY: {
1747                         BOOST_ASSERT(lyx_view_);
1748                         biblio::CiteEngine const engine =
1749                                 lyx_view_->buffer()->params().getEngine();
1750
1751                         istringstream ss(argument);
1752                         Lexer lex(0,0);
1753                         lex.setStream(ss);
1754                         int const unknown_tokens =
1755                                 lyx_view_->buffer()->readHeader(lex);
1756
1757                         if (unknown_tokens != 0) {
1758                                 lyxerr << "Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1759                                        << unknown_tokens << " unknown token"
1760                                        << (unknown_tokens == 1 ? "" : "s")
1761                                        << endl;
1762                         }
1763                         if (engine == lyx_view_->buffer()->params().getEngine())
1764                                 break;
1765
1766                         Cursor & cur = view()->cursor();
1767                         FuncRequest fr(LFUN_INSET_REFRESH);
1768
1769                         Inset & inset = lyx_view_->buffer()->inset();
1770                         InsetIterator it  = inset_iterator_begin(inset);
1771                         InsetIterator const end = inset_iterator_end(inset);
1772                         for (; it != end; ++it)
1773                                 if (it->lyxCode() == Inset::CITE_CODE)
1774                                         it->dispatch(cur, fr);
1775                         break;
1776                 }
1777
1778                 case LFUN_TEXTCLASS_APPLY: {
1779                         BOOST_ASSERT(lyx_view_);
1780                         Buffer * buffer = lyx_view_->buffer();
1781
1782                         textclass_type const old_class =
1783                                 buffer->params().textclass;
1784
1785                         loadTextclass(argument);
1786
1787                         std::pair<bool, textclass_type> const tc_pair =
1788                                 textclasslist.numberOfClass(argument);
1789
1790                         if (!tc_pair.first)
1791                                 break;
1792
1793                         textclass_type const new_class = tc_pair.second;
1794                         if (old_class == new_class)
1795                                 // nothing to do
1796                                 break;
1797
1798                         lyx_view_->message(_("Converting document to new document class..."));
1799                         recordUndoFullDocument(view());
1800                         buffer->params().textclass = new_class;
1801                         StableDocIterator backcur(view()->cursor());
1802                         ErrorList & el = buffer->errorList("Class Switch");
1803                         cap::switchBetweenClasses(
1804                                 old_class, new_class,
1805                                 static_cast<InsetText &>(buffer->inset()), el);
1806
1807                         view()->setCursor(backcur.asDocIterator(&(buffer->inset())));
1808
1809                         buffer->errors("Class Switch");
1810                         updateLabels(*buffer);
1811                         updateFlags = Update::Force | Update::FitCursor;
1812                         break;
1813                 }
1814
1815                 case LFUN_TEXTCLASS_LOAD:
1816                         loadTextclass(argument);
1817                         break;
1818
1819                 case LFUN_LYXRC_APPLY: {
1820                         LyXRC const lyxrc_orig = lyxrc;
1821
1822                         istringstream ss(argument);
1823                         bool const success = lyxrc.read(ss) == 0;
1824
1825                         if (!success) {
1826                                 lyxerr << "Warning in LFUN_LYXRC_APPLY!\n"
1827                                        << "Unable to read lyxrc data"
1828                                        << endl;
1829                                 break;
1830                         }
1831
1832                         actOnUpdatedPrefs(lyxrc_orig, lyxrc);
1833
1834                         /// We force the redraw in any case because there might be
1835                         /// some screen font changes.
1836                         /// FIXME: only the current view will be updated. the Gui
1837                         /// class is able to furnish the list of views.
1838                         updateFlags = Update::Force;
1839                         break;
1840                 }
1841
1842                 case LFUN_WINDOW_NEW:
1843                         LyX::ref().newLyXView();
1844                         break;
1845
1846                 case LFUN_WINDOW_CLOSE:
1847                         BOOST_ASSERT(lyx_view_);
1848                         BOOST_ASSERT(theApp());
1849                         // update bookmark pit of the current buffer before window close
1850                         for (size_t i = 0; i < LyX::ref().session().bookmarks().size(); ++i)
1851                                 gotoBookmark(i+1, false, false);
1852                         // ask the user for saving changes or cancel quit
1853                         if (!theBufferList().quitWriteAll())
1854                                 break;
1855                         lyx_view_->close();
1856                         return;
1857
1858                 case LFUN_BOOKMARK_GOTO:
1859                         // go to bookmark, open unopened file and switch to buffer if necessary
1860                         gotoBookmark(convert<unsigned int>(to_utf8(cmd.argument())), true, true);
1861                         break;
1862
1863                 case LFUN_BOOKMARK_CLEAR:
1864                         LyX::ref().session().bookmarks().clear();
1865                         break;
1866
1867                 case LFUN_TOOLBAR_TOGGLE: {
1868                         BOOST_ASSERT(lyx_view_);
1869                         string const name = cmd.getArg(0);
1870                         bool const allowauto = cmd.getArg(1) == "allowauto";
1871                         lyx_view_->toggleToolbarState(name, allowauto);
1872                         ToolbarInfo * tbi = lyx_view_->getToolbarInfo(name);
1873                         if (!tbi) {
1874                                 setMessage(bformat(_("Unknown toolbar \"%1$s\""),
1875                                                    from_utf8(name)));
1876                                 break;
1877                         }
1878                         docstring state;
1879                         if (tbi->flags & ToolbarInfo::ON)
1880                                 state = _("on");
1881                         else if (tbi->flags & ToolbarInfo::OFF)
1882                                 state = _("off");
1883                         else if (tbi->flags & ToolbarInfo::AUTO)
1884                                 state = _("auto");
1885
1886                         setMessage(bformat(_("Toolbar \"%1$s\" state set to %2$s"),
1887                                            _(tbi->gui_name), state));
1888                         break;
1889                 }
1890
1891                 default: {
1892                         BOOST_ASSERT(lyx_view_);
1893                         view()->cursor().dispatch(cmd);
1894                         updateFlags = view()->cursor().result().update();
1895                         if (!view()->cursor().result().dispatched())
1896                                 updateFlags = view()->dispatch(cmd);
1897                         break;
1898                 }
1899                 }
1900
1901                 if (lyx_view_ && lyx_view_->buffer()) {
1902                         // BufferView::update() updates the ViewMetricsInfo and
1903                         // also initializes the position cache for all insets in
1904                         // (at least partially) visible top-level paragraphs.
1905                         // We will redraw the screen only if needed.
1906                         if (view()->update(updateFlags)) {
1907                                 // Buffer::changed() signals that a repaint is needed.
1908                                 // The frontend (WorkArea) knows which area to repaint
1909                                 // thanks to the ViewMetricsInfo updated above.
1910                                 lyx_view_->buffer()->changed();
1911                         }
1912
1913                         lyx_view_->updateStatusBar();
1914
1915                         // if we executed a mutating lfun, mark the buffer as dirty
1916                         if (flag.enabled()
1917                             && !lyxaction.funcHasFlag(action, LyXAction::NoBuffer)
1918                             && !lyxaction.funcHasFlag(action, LyXAction::ReadOnly))
1919                                 lyx_view_->buffer()->markDirty();
1920
1921                         //Do we have a selection?
1922                         theSelection().haveSelection(view()->cursor().selection());
1923
1924                         if (view()->cursor().inTexted()) {
1925                                 lyx_view_->updateLayoutChoice();
1926                         }
1927                 }
1928         }
1929         if (!quitting && lyx_view_) {
1930                 lyx_view_->updateToolbars();
1931                 // Some messages may already be translated, so we cannot use _()
1932                 sendDispatchMessage(translateIfPossible(getMessage()), cmd);
1933         }
1934 }
1935
1936
1937 void LyXFunc::sendDispatchMessage(docstring const & msg, FuncRequest const & cmd)
1938 {
1939         const bool verbose = (cmd.origin == FuncRequest::MENU
1940                               || cmd.origin == FuncRequest::TOOLBAR
1941                               || cmd.origin == FuncRequest::COMMANDBUFFER);
1942
1943         if (cmd.action == LFUN_SELF_INSERT || !verbose) {
1944                 LYXERR(Debug::ACTION) << "dispatch msg is " << to_utf8(msg) << endl;
1945                 if (!msg.empty())
1946                         lyx_view_->message(msg);
1947                 return;
1948         }
1949
1950         docstring dispatch_msg = msg;
1951         if (!dispatch_msg.empty())
1952                 dispatch_msg += ' ';
1953
1954         docstring comname = from_utf8(lyxaction.getActionName(cmd.action));
1955
1956         bool argsadded = false;
1957
1958         if (!cmd.argument().empty()) {
1959                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1960                         comname += ' ' + cmd.argument();
1961                         argsadded = true;
1962                 }
1963         }
1964
1965         docstring const shortcuts = theTopLevelKeymap().printbindings(cmd);
1966
1967         if (!shortcuts.empty())
1968                 comname += ": " + shortcuts;
1969         else if (!argsadded && !cmd.argument().empty())
1970                 comname += ' ' + cmd.argument();
1971
1972         if (!comname.empty()) {
1973                 comname = rtrim(comname);
1974                 dispatch_msg += '(' + rtrim(comname) + ')';
1975         }
1976
1977         LYXERR(Debug::ACTION) << "verbose dispatch msg "
1978                 << to_utf8(dispatch_msg) << endl;
1979         if (!dispatch_msg.empty())
1980                 lyx_view_->message(dispatch_msg);
1981 }
1982
1983
1984 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1985 {
1986         // FIXME: initpath is not used. What to do?
1987         string initpath = lyxrc.document_path;
1988         string filename(name);
1989
1990         if (lyx_view_->buffer()) {
1991                 string const trypath = lyx_view_->buffer()->filePath();
1992                 // If directory is writeable, use this as default.
1993                 if (isDirWriteable(FileName(trypath)))
1994                         initpath = trypath;
1995         }
1996
1997         static int newfile_number;
1998
1999         if (filename.empty()) {
2000                 filename = addName(lyxrc.document_path,
2001                             "newfile" + convert<string>(++newfile_number) + ".lyx");
2002                 while (theBufferList().exists(filename) ||
2003                        fs::is_readable(FileName(filename).toFilesystemEncoding())) {
2004                         ++newfile_number;
2005                         filename = addName(lyxrc.document_path,
2006                                            "newfile" +  convert<string>(newfile_number) +
2007                                     ".lyx");
2008                 }
2009         }
2010
2011         // The template stuff
2012         string templname;
2013         if (fromTemplate) {
2014                 FileDialog fileDlg(_("Select template file"),
2015                         LFUN_SELECT_FILE_SYNC,
2016                         make_pair(_("Documents|#o#O"), from_utf8(lyxrc.document_path)),
2017                         make_pair(_("Templates|#T#t"), from_utf8(lyxrc.template_path)));
2018
2019                 FileDialog::Result result =
2020                         fileDlg.open(from_utf8(lyxrc.template_path),
2021                                      FileFilterList(_("LyX Documents (*.lyx)")),
2022                                      docstring());
2023
2024                 if (result.first == FileDialog::Later)
2025                         return;
2026                 if (result.second.empty())
2027                         return;
2028                 templname = to_utf8(result.second);
2029         }
2030
2031         Buffer * const b = newFile(filename, templname, !name.empty());
2032         if (b)
2033                 lyx_view_->setBuffer(b);
2034 }
2035
2036
2037 void LyXFunc::open(string const & fname)
2038 {
2039         string initpath = lyxrc.document_path;
2040
2041         if (lyx_view_->buffer()) {
2042                 string const trypath = lyx_view_->buffer()->filePath();
2043                 // If directory is writeable, use this as default.
2044                 if (isDirWriteable(FileName(trypath)))
2045                         initpath = trypath;
2046         }
2047
2048         string filename;
2049
2050         if (fname.empty()) {
2051                 FileDialog fileDlg(_("Select document to open"),
2052                         LFUN_FILE_OPEN,
2053                         make_pair(_("Documents|#o#O"), from_utf8(lyxrc.document_path)),
2054                         make_pair(_("Examples|#E#e"), from_utf8(addPath(package().system_support().absFilename(), "examples"))));
2055
2056                 FileDialog::Result result =
2057                         fileDlg.open(from_utf8(initpath),
2058                                      FileFilterList(_("LyX Documents (*.lyx)")),
2059                                      docstring());
2060
2061                 if (result.first == FileDialog::Later)
2062                         return;
2063
2064                 filename = to_utf8(result.second);
2065
2066                 // check selected filename
2067                 if (filename.empty()) {
2068                         lyx_view_->message(_("Canceled."));
2069                         return;
2070                 }
2071         } else
2072                 filename = fname;
2073
2074         // get absolute path of file and add ".lyx" to the filename if
2075         // necessary
2076         FileName const fullname = fileSearch(string(), filename, "lyx");
2077         if (!fullname.empty())
2078                 filename = fullname.absFilename();
2079
2080         // if the file doesn't exist, let the user create one
2081         if (!fs::exists(fullname.toFilesystemEncoding())) {
2082                 // the user specifically chose this name. Believe him.
2083                 Buffer * const b = newFile(filename, string(), true);
2084                 if (b)
2085                         lyx_view_->setBuffer(b);
2086                 return;
2087         }
2088
2089         docstring const disp_fn = makeDisplayPath(filename);
2090         lyx_view_->message(bformat(_("Opening document %1$s..."), disp_fn));
2091
2092         docstring str2;
2093         Buffer * buf = lyx_view_->loadLyXFile(fullname);
2094         if (buf) {
2095                 updateLabels(*buf);
2096                 lyx_view_->setBuffer(buf);
2097                 lyx_view_->showErrorList("Parse");
2098                 str2 = bformat(_("Document %1$s opened."), disp_fn);
2099         } else {
2100                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
2101         }
2102         lyx_view_->message(str2);
2103 }
2104
2105
2106 void LyXFunc::doImport(string const & argument)
2107 {
2108         string format;
2109         string filename = split(argument, format, ' ');
2110
2111         LYXERR(Debug::INFO) << "LyXFunc::doImport: " << format
2112                             << " file: " << filename << endl;
2113
2114         // need user interaction
2115         if (filename.empty()) {
2116                 string initpath = lyxrc.document_path;
2117
2118                 if (lyx_view_->buffer()) {
2119                         string const trypath = lyx_view_->buffer()->filePath();
2120                         // If directory is writeable, use this as default.
2121                         if (isDirWriteable(FileName(trypath)))
2122                                 initpath = trypath;
2123                 }
2124
2125                 docstring const text = bformat(_("Select %1$s file to import"),
2126                         formats.prettyName(format));
2127
2128                 FileDialog fileDlg(text,
2129                         LFUN_BUFFER_IMPORT,
2130                         make_pair(_("Documents|#o#O"), from_utf8(lyxrc.document_path)),
2131                         make_pair(_("Examples|#E#e"),
2132                                   from_utf8(addPath(package().system_support().absFilename(), "examples"))));
2133
2134                 docstring filter = formats.prettyName(format);
2135                 filter += " (*.";
2136                 // FIXME UNICODE
2137                 filter += from_utf8(formats.extension(format));
2138                 filter += ')';
2139
2140                 FileDialog::Result result =
2141                         fileDlg.open(from_utf8(initpath),
2142                                      FileFilterList(filter),
2143                                      docstring());
2144
2145                 if (result.first == FileDialog::Later)
2146                         return;
2147
2148                 filename = to_utf8(result.second);
2149
2150                 // check selected filename
2151                 if (filename.empty())
2152                         lyx_view_->message(_("Canceled."));
2153         }
2154
2155         if (filename.empty())
2156                 return;
2157
2158         // get absolute path of file
2159         FileName const fullname(makeAbsPath(filename));
2160
2161         FileName const lyxfile(changeExtension(fullname.absFilename(), ".lyx"));
2162
2163         // Check if the document already is open
2164         if (use_gui && theBufferList().exists(lyxfile.absFilename())) {
2165                 if (!theBufferList().close(theBufferList().getBuffer(lyxfile.absFilename()), true)) {
2166                         lyx_view_->message(_("Canceled."));
2167                         return;
2168                 }
2169         }
2170
2171         // if the file exists already, and we didn't do
2172         // -i lyx thefile.lyx, warn
2173         if (fs::exists(lyxfile.toFilesystemEncoding()) && fullname != lyxfile) {
2174                 docstring const file = makeDisplayPath(lyxfile.absFilename(), 30);
2175
2176                 docstring text = bformat(_("The document %1$s already exists.\n\n"
2177                                                      "Do you want to overwrite that document?"), file);
2178                 int const ret = Alert::prompt(_("Overwrite document?"),
2179                         text, 0, 1, _("&Overwrite"), _("&Cancel"));
2180
2181                 if (ret == 1) {
2182                         lyx_view_->message(_("Canceled."));
2183                         return;
2184                 }
2185         }
2186
2187         ErrorList errorList;
2188         Importer::Import(lyx_view_, fullname, format, errorList);
2189         // FIXME (Abdel 12/08/06): Is there a need to display the error list here?
2190 }
2191
2192
2193 void LyXFunc::closeBuffer()
2194 {
2195         // goto bookmark to update bookmark pit.
2196         for (size_t i = 0; i < LyX::ref().session().bookmarks().size(); ++i)
2197                 gotoBookmark(i+1, false, false);
2198
2199         theBufferList().close(lyx_view_->buffer(), true);
2200 }
2201
2202
2203 void LyXFunc::reloadBuffer()
2204 {
2205         FileName filename(lyx_view_->buffer()->fileName());
2206         docstring const disp_fn = makeDisplayPath(filename.absFilename());
2207         docstring str;
2208         closeBuffer();
2209         Buffer * buf = lyx_view_->loadLyXFile(filename);
2210         if (buf) {
2211                 updateLabels(*buf);
2212                 lyx_view_->setBuffer(buf);
2213                 lyx_view_->showErrorList("Parse");
2214                 str = bformat(_("Document %1$s reloaded."), disp_fn);
2215         } else {
2216                 str = bformat(_("Could not reload document %1$s"), disp_fn);
2217         }
2218         lyx_view_->message(str);
2219 }
2220
2221 // Each "lyx_view_" should have it's own message method. lyxview and
2222 // the minibuffer would use the minibuffer, but lyxserver would
2223 // send an ERROR signal to its client.  Alejandro 970603
2224 // This function is bit problematic when it comes to NLS, to make the
2225 // lyx servers client be language indepenent we must not translate
2226 // strings sent to this func.
2227 void LyXFunc::setErrorMessage(docstring const & m) const
2228 {
2229         dispatch_buffer = m;
2230         errorstat = true;
2231 }
2232
2233
2234 void LyXFunc::setMessage(docstring const & m) const
2235 {
2236         dispatch_buffer = m;
2237 }
2238
2239
2240 docstring const LyXFunc::viewStatusMessage()
2241 {
2242         // When meta-fake key is pressed, show the key sequence so far + "M-".
2243         if (wasMetaKey())
2244                 return keyseq->print(true) + "M-";
2245
2246         // Else, when a non-complete key sequence is pressed,
2247         // show the available options.
2248         if (keyseq->length() > 0 && !keyseq->deleted())
2249                 return keyseq->printOptions(true);
2250
2251         BOOST_ASSERT(lyx_view_);
2252         if (!lyx_view_->buffer())
2253                 return _("Welcome to LyX!");
2254
2255         return view()->cursor().currentState();
2256 }
2257
2258
2259 BufferView * LyXFunc::view() const
2260 {
2261         BOOST_ASSERT(lyx_view_);
2262         return lyx_view_->view();
2263 }
2264
2265
2266 bool LyXFunc::wasMetaKey() const
2267 {
2268         return (meta_fake_bit != key_modifier::none);
2269 }
2270
2271
2272 namespace {
2273
2274 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
2275 {
2276         // Why the switch you might ask. It is a trick to ensure that all
2277         // the elements in the LyXRCTags enum is handled. As you can see
2278         // there are no breaks at all. So it is just a huge fall-through.
2279         // The nice thing is that we will get a warning from the compiler
2280         // if we forget an element.
2281         LyXRC::LyXRCTags tag = LyXRC::RC_LAST;
2282         switch (tag) {
2283         case LyXRC::RC_ACCEPT_COMPOUND:
2284         case LyXRC::RC_ALT_LANG:
2285         case LyXRC::RC_PLAINTEXT_ROFF_COMMAND:
2286         case LyXRC::RC_PLAINTEXT_LINELEN:
2287         case LyXRC::RC_AUTOREGIONDELETE:
2288         case LyXRC::RC_AUTORESET_OPTIONS:
2289         case LyXRC::RC_AUTOSAVE:
2290         case LyXRC::RC_AUTO_NUMBER:
2291         case LyXRC::RC_BACKUPDIR_PATH:
2292         case LyXRC::RC_BIBTEX_COMMAND:
2293         case LyXRC::RC_BINDFILE:
2294         case LyXRC::RC_CHECKLASTFILES:
2295         case LyXRC::RC_USELASTFILEPOS:
2296         case LyXRC::RC_LOADSESSION:
2297         case LyXRC::RC_CHKTEX_COMMAND:
2298         case LyXRC::RC_CONVERTER:
2299         case LyXRC::RC_CONVERTER_CACHE_MAXAGE:
2300         case LyXRC::RC_COPIER:
2301         case LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR:
2302         case LyXRC::RC_CUSTOM_EXPORT_COMMAND:
2303         case LyXRC::RC_CUSTOM_EXPORT_FORMAT:
2304         case LyXRC::RC_DATE_INSERT_FORMAT:
2305         case LyXRC::RC_DEFAULT_LANGUAGE:
2306         case LyXRC::RC_DEFAULT_PAPERSIZE:
2307         case LyXRC::RC_DIALOGS_ICONIFY_WITH_MAIN:
2308         case LyXRC::RC_DISPLAY_GRAPHICS:
2309         case LyXRC::RC_DOCUMENTPATH:
2310                 if (lyxrc_orig.document_path != lyxrc_new.document_path) {
2311                         string const encoded = FileName(
2312                                 lyxrc_new.document_path).toFilesystemEncoding();
2313                         if (fs::exists(encoded) && fs::is_directory(encoded))
2314                                 support::package().document_dir() = FileName(lyxrc.document_path);
2315                 }
2316         case LyXRC::RC_ESC_CHARS:
2317         case LyXRC::RC_FONT_ENCODING:
2318         case LyXRC::RC_FORMAT:
2319         case LyXRC::RC_INDEX_COMMAND:
2320         case LyXRC::RC_INPUT:
2321         case LyXRC::RC_KBMAP:
2322         case LyXRC::RC_KBMAP_PRIMARY:
2323         case LyXRC::RC_KBMAP_SECONDARY:
2324         case LyXRC::RC_LABEL_INIT_LENGTH:
2325         case LyXRC::RC_LANGUAGE_AUTO_BEGIN:
2326         case LyXRC::RC_LANGUAGE_AUTO_END:
2327         case LyXRC::RC_LANGUAGE_COMMAND_BEGIN:
2328         case LyXRC::RC_LANGUAGE_COMMAND_END:
2329         case LyXRC::RC_LANGUAGE_COMMAND_LOCAL:
2330         case LyXRC::RC_LANGUAGE_GLOBAL_OPTIONS:
2331         case LyXRC::RC_LANGUAGE_PACKAGE:
2332         case LyXRC::RC_LANGUAGE_USE_BABEL:
2333         case LyXRC::RC_MAKE_BACKUP:
2334         case LyXRC::RC_MARK_FOREIGN_LANGUAGE:
2335         case LyXRC::RC_NUMLASTFILES:
2336         case LyXRC::RC_PATH_PREFIX:
2337                 if (lyxrc_orig.path_prefix != lyxrc_new.path_prefix) {
2338                         support::prependEnvPath("PATH", lyxrc.path_prefix);
2339                 }
2340         case LyXRC::RC_PERS_DICT:
2341         case LyXRC::RC_PREVIEW:
2342         case LyXRC::RC_PREVIEW_HASHED_LABELS:
2343         case LyXRC::RC_PREVIEW_SCALE_FACTOR:
2344         case LyXRC::RC_PRINTCOLLCOPIESFLAG:
2345         case LyXRC::RC_PRINTCOPIESFLAG:
2346         case LyXRC::RC_PRINTER:
2347         case LyXRC::RC_PRINTEVENPAGEFLAG:
2348         case LyXRC::RC_PRINTEXSTRAOPTIONS:
2349         case LyXRC::RC_PRINTFILEEXTENSION:
2350         case LyXRC::RC_PRINTLANDSCAPEFLAG:
2351         case LyXRC::RC_PRINTODDPAGEFLAG:
2352         case LyXRC::RC_PRINTPAGERANGEFLAG:
2353         case LyXRC::RC_PRINTPAPERDIMENSIONFLAG:
2354         case LyXRC::RC_PRINTPAPERFLAG:
2355         case LyXRC::RC_PRINTREVERSEFLAG:
2356         case LyXRC::RC_PRINTSPOOL_COMMAND:
2357         case LyXRC::RC_PRINTSPOOL_PRINTERPREFIX:
2358         case LyXRC::RC_PRINTTOFILE:
2359         case LyXRC::RC_PRINTTOPRINTER:
2360         case LyXRC::RC_PRINT_ADAPTOUTPUT:
2361         case LyXRC::RC_PRINT_COMMAND:
2362         case LyXRC::RC_RTL_SUPPORT:
2363         case LyXRC::RC_SCREEN_DPI:
2364         case LyXRC::RC_SCREEN_FONT_ROMAN:
2365         case LyXRC::RC_SCREEN_FONT_ROMAN_FOUNDRY:
2366         case LyXRC::RC_SCREEN_FONT_SANS:
2367         case LyXRC::RC_SCREEN_FONT_SANS_FOUNDRY:
2368         case LyXRC::RC_SCREEN_FONT_SCALABLE:
2369         case LyXRC::RC_SCREEN_FONT_SIZES:
2370         case LyXRC::RC_SCREEN_FONT_TYPEWRITER:
2371         case LyXRC::RC_SCREEN_FONT_TYPEWRITER_FOUNDRY:
2372         case LyXRC::RC_SCREEN_GEOMETRY_HEIGHT:
2373         case LyXRC::RC_SCREEN_GEOMETRY_WIDTH:
2374         case LyXRC::RC_SCREEN_GEOMETRY_XYSAVED:
2375         case LyXRC::RC_SCREEN_ZOOM:
2376         case LyXRC::RC_SERVERPIPE:
2377         case LyXRC::RC_SET_COLOR:
2378         case LyXRC::RC_SHOW_BANNER:
2379         case LyXRC::RC_SPELL_COMMAND:
2380         case LyXRC::RC_TEMPDIRPATH:
2381         case LyXRC::RC_TEMPLATEPATH:
2382         case LyXRC::RC_TEX_ALLOWS_SPACES:
2383         case LyXRC::RC_TEX_EXPECTS_WINDOWS_PATHS:
2384                 if (lyxrc_orig.windows_style_tex_paths != lyxrc_new.windows_style_tex_paths) {
2385                         support::os::windows_style_tex_paths(lyxrc_new.windows_style_tex_paths);
2386                 }
2387         case LyXRC::RC_UIFILE:
2388         case LyXRC::RC_USER_EMAIL:
2389         case LyXRC::RC_USER_NAME:
2390         case LyXRC::RC_USETEMPDIR:
2391         case LyXRC::RC_USE_ALT_LANG:
2392         case LyXRC::RC_USE_CONVERTER_CACHE:
2393         case LyXRC::RC_USE_ESC_CHARS:
2394         case LyXRC::RC_USE_INP_ENC:
2395         case LyXRC::RC_USE_PERS_DICT:
2396         case LyXRC::RC_USE_SPELL_LIB:
2397         case LyXRC::RC_VIEWDVI_PAPEROPTION:
2398         case LyXRC::RC_VIEWER:
2399         case LyXRC::RC_LAST:
2400                 break;
2401         }
2402 }
2403
2404 } // namespace anon
2405
2406
2407 } // namespace lyx